Based on the domain analysis of the mine project management system, the data tree table object model, database management object model, and general reports making object model are abstracted.

在对矿山项目管理系统进行领域分析的基础上，抽象出数据树表对象模型、数据库管理对象模型和通用报表对象模型。

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The structure of Database was analyzed and the general functions that the system must possess were designed according to the management norm of QiLu Petrol Chemical Crop.

根据齐鲁石化公司设备处提供的设备管理规范，设计了设备防腐保温管理系统和管道管理系统的数据库总体结构以及完整的信息管理系统功能。

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The structure of database Management system for videotex is described in general. And how text database system get into videotex system is presented.

叙述了可视图文数据库管理系统的结构，提出了现有的文本型数据库进入可视图文数据库的问题及其解决办法。

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